______ with care, one tin will last for six weeks.
#94928
A
Use
B
Using
C
Used
D
To use
推荐题目
      how to solve the problem, the little boy turned to his father for help.
#96894
A
Not knowing
B
Having not known
C
Not having been known
D
Not known
Look at his_____ look. It seems as if he had met a_____ tiger.
#96299
A
frightened, frightening
B
frightening , frightened
C
frightened, frightened
D
frightening , frightening